• . ß ß ,, •, • .... •. •, •'i 'i7 ' "':' •t',.. '•,, ß ::. ., Figures 17 and 18. Bleaching. Figures 19 and 20. Polymer treatment.
'• ,•5•'-•%.:.: . • . •:?-- •...--• . .?• • '• •, • • . '.. ...... .../.• _.•:.• '• ..... .. .... •. •. :.-•. . :• • .-'• '?.-"-z • :•,• ::: .• •. •. '• '-.. •'• - •.: • ?.' .... ,... :• • •. '•, •-. : : • •. : ß • '-•. .•.:,. z.: •. •.•: :-. '• ' . •. .... -..-. ". :• • ' • • . • • • •. '• . '• r .. • • • • % .... .. '•' .. ½•,, • • •. •. ..:•/-'-b'() %• '•-• • • •...' [: ,J• '• .• ... - • .•.- •. ..- • •. ........ •'• :?•¾: • ..... ?.• .... 2•-•'":•:• .%,.... •,• •e• .... ß ...... Figures 21 and 22. Polymer treatment. F/gures 23 and 24. Cuticle debris, surface and section respectively. Facing page 701
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